Quelle: The OSCE premises, where the 55-nation Permanent Council convenes once a week, is located in Vienna's imperial winter palace, the Hofburg. Vienne: Organisation pour la sécurité et la coopération en Europe. Couleur.
Organization for Security and Co-operation in Europe, OSCE. [ON-LINE]. [s.l.]: [s.d.]. Disponible sur http://www.osce.org/index.php.

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